Analysis

  • max time kernel
    163s
  • max time network
    154s
  • platform
    windows10_x64
  • resource
    win10-en
  • submitted
    20-09-2021 11:20

General

  • Target

    conferma SWIFT copia pdf.exe

  • Size

    684KB

  • MD5

    8371b3f4f53c2f7d2ac7fbc66719660b

  • SHA1

    762d5507ae4c64ae0dc11098ea1f1ce5a5d8d28d

  • SHA256

    a3da5c70fbe1fabaaec65ce52c8e76384e94a5937e9fd7e8515ba8a1a048b255

  • SHA512

    b54474caee9cbed9910156e35a8b6b0ee6723971777e2c010d734637e42f104562b57609b20aadee66591d8d97f165d848260262c8e0d3118b3e44efbdf9ebe3

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

C2

http://www.kmresults.com/n7ak/

Decoy

modischoolcbse.com

theneverwinter.com

rszkjx-vps-hosting.website

fnihil.com

1pbet.com

nnowzscorrez.com

uaotgvjl.icu

starmapsqatar.com

ekisilani.com

extradeepsheets.com

jam-nins.com

buranly.com

orixentertainment.com

rawtech.energy

myol.guru

utex.club

jiapie.com

wowig.store

wweidlyyl.com

systaskautomation.com

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Formbook Payload 3 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 46 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3012
    • C:\Users\Admin\AppData\Local\Temp\conferma SWIFT copia pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\conferma SWIFT copia pdf.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4032
      • C:\Windows\SysWOW64\mobsync.exe
        C:\Windows\System32\mobsync.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:640
    • C:\Windows\SysWOW64\mstsc.exe
      "C:\Windows\SysWOW64\mstsc.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:864
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\mobsync.exe"
        3⤵
          PID:580

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/580-127-0x0000000000000000-mapping.dmp
    • memory/640-117-0x0000000000000000-mapping.dmp
    • memory/640-119-0x0000000010410000-0x000000001043E000-memory.dmp
      Filesize

      184KB

    • memory/640-118-0x00000000007B0000-0x00000000007B1000-memory.dmp
      Filesize

      4KB

    • memory/640-121-0x0000000001260000-0x0000000001274000-memory.dmp
      Filesize

      80KB

    • memory/640-120-0x00000000049E0000-0x0000000004D00000-memory.dmp
      Filesize

      3.1MB

    • memory/864-124-0x0000000000E20000-0x000000000111C000-memory.dmp
      Filesize

      3.0MB

    • memory/864-123-0x0000000000000000-mapping.dmp
    • memory/864-125-0x0000000000430000-0x000000000045E000-memory.dmp
      Filesize

      184KB

    • memory/864-126-0x00000000046C0000-0x00000000049E0000-memory.dmp
      Filesize

      3.1MB

    • memory/864-128-0x0000000000D40000-0x0000000000DD3000-memory.dmp
      Filesize

      588KB

    • memory/3012-122-0x0000000000400000-0x00000000004B2000-memory.dmp
      Filesize

      712KB

    • memory/3012-129-0x0000000002480000-0x0000000002540000-memory.dmp
      Filesize

      768KB

    • memory/4032-115-0x00000000020D0000-0x00000000020D1000-memory.dmp
      Filesize

      4KB